Home / 268,516.10-370,533.21-147,655.46

Finding the Fourth Proportional to 268,516.10, 370,533.21 and 147,655.46

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Solution

The fourth proportional to 268,516.10, 370,533.21 and 147,655.46 is: 203,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,516.10 : 370,533.21 = 147,655.46 : x
  2. Step 2: Convert to fraction form
    268,516.10/370,533.21 = 147,655.46/x
  3. Step 3: Cross multiply
    268,516.10x = 370,533.21 × 147,655.46
  4. Step 4: Simplify right side
    268,516.10x = 54,711,251,567.83
  5. Step 5: Solve for x
    x = 54,711,251,567.83/268,516.10
  6. Step 6: Final answer
    x = 203,754.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.